:root{--bg:#f5efe6;--surface:#faf6ef;--surface-2:#fffcf7;--surface-hover:#ebe4d8;--border:#ddd2c4;--border-strong:#c9bcab;--text:#2a2620;--text-muted:#6b6358;--text-faint:#8a8175;--accent:#a8987a;--accent-2:#95856a;--accent-dark:#7d6f58;--accent-soft:#a8987a2e;--accent-border:#7d6f5866}*{box-sizing:border-box}body{background:var(--bg);min-height:100vh;margin:0}#root{min-height:100vh}.doc-editor-wrap{border:1px solid var(--border);background:var(--surface-2);border-radius:12px;overflow:hidden}.doc-toolbar{border-bottom:1px solid var(--border);background:var(--surface);flex-wrap:wrap;align-items:center;gap:.35rem;padding:.5rem .65rem;display:flex}.doc-toolbar-group{flex-wrap:wrap;gap:.25rem;display:flex}.doc-toolbar-sep{background:var(--border);width:1px;height:22px;margin:0 .25rem}.doc-toolbar button{font:inherit;color:var(--text-muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;padding:.35rem .55rem;font-size:.8rem;transition:background .15s,color .15s,border-color .15s}.doc-toolbar button:hover:not(:disabled){background:var(--surface-hover);color:var(--text)}.doc-toolbar button:disabled{opacity:.35;cursor:not-allowed}.doc-toolbar button.active{background:var(--accent-soft);color:var(--accent);border-color:var(--accent-border)}.doc-toolbar .u{text-decoration:underline}.doc-editor-surface{min-height:360px;max-height:min(62vh,720px);overflow:auto}.doc-editor-surface .tiptap-root{min-height:320px;color:var(--text);outline:none;padding:1rem 1.15rem 1.5rem;font-size:.98rem;line-height:1.75}.doc-editor-surface .tiptap-root p{margin:0 0 .65em}.doc-editor-surface .tiptap-root h1,.doc-editor-surface .tiptap-root h2,.doc-editor-surface .tiptap-root h3{margin:.75em 0 .4em;font-weight:600;line-height:1.35}.doc-editor-surface .tiptap-root h1{font-size:1.35rem}.doc-editor-surface .tiptap-root h2{font-size:1.2rem}.doc-editor-surface .tiptap-root h3{font-size:1.05rem}.doc-editor-surface .tiptap-root ul,.doc-editor-surface .tiptap-root ol{margin:.35em 0 .75em;padding-right:1.35rem}.doc-editor-surface .tiptap-root li p{margin:.15em 0}.doc-editor-surface .tiptap-root p.is-editor-empty:first-child:before{content:attr(data-placeholder);float:right;color:var(--text-faint);pointer-events:none;height:0}.shell{min-height:100vh;color:var(--text);background:var(--bg);font-family:Segoe UI,system-ui,-apple-system,sans-serif}.main{max-width:1040px;margin:0 auto;padding:1.75rem 2rem 2.5rem}.main-head{text-align:center}.main-head h1{letter-spacing:-.03em;margin:0 0 .35rem;font-size:1.65rem;font-weight:600}.main-lead{max-width:36rem;color:var(--text-muted);margin:0 auto 1.5rem;font-size:.95rem;line-height:1.55}.card{border:1px solid var(--border);background:var(--surface);border-radius:16px;margin-bottom:1.25rem}.upload-card{padding:1.1rem 1.25rem 1.25rem}.upload-row{flex-wrap:wrap;align-items:stretch;gap:.85rem;display:flex}.upload-zone{border:1px dashed var(--border-strong);cursor:pointer;border-radius:12px;flex-direction:column;flex:1;gap:.25rem;min-width:200px;padding:.85rem 1rem;transition:border-color .2s,background .2s;display:flex;position:relative}.upload-zone:hover{border-color:var(--accent);background:var(--accent-soft)}.upload-input{opacity:0;cursor:pointer;width:100%;height:100%;position:absolute;inset:0}.upload-label{font-size:.92rem;font-weight:500}.upload-hint{color:var(--text-muted);font-size:.78rem}.file-name{color:var(--text-muted);word-break:break-all;margin:.75rem 0 0;font-size:.82rem}.btn{font:inherit;cursor:pointer;white-space:nowrap;border:1px solid #0000;border-radius:10px;justify-content:center;align-items:center;gap:.45rem;padding:.65rem 1.1rem;font-size:.9rem;font-weight:500;transition:background .2s,border-color .2s,color .2s;display:inline-flex}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:linear-gradient(180deg, var(--accent) 0%, var(--accent-dark) 100%);color:#fdfcfa;border:1px solid var(--accent-dark);min-width:150px}.btn-primary:hover:not(:disabled){background:linear-gradient(180deg, var(--accent-2) 0%, #6b5f4c 100%)}.btn-accent{background:var(--surface-2);color:var(--text);border-color:var(--border)}.btn-accent:hover:not(:disabled){background:var(--surface-hover);border-color:var(--accent-border)}.btn-ghost{color:var(--text-muted);border-color:var(--border);background:0 0}.btn-ghost:hover:not(:disabled){color:var(--text);background:var(--surface-2)}.spinner{border:2px solid #ffffff59;border-top-color:#fff;border-radius:50%;width:16px;height:16px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.msg{margin:.75rem 0 0;font-size:.88rem}.msg-error{color:#b42318}.msg-ok{color:#1d6b45}.editor-card{padding:0;overflow:hidden}.editor-card-head{border-bottom:1px solid var(--border);background:var(--surface-2);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;padding:.85rem 1rem;display:flex}.editor-card-head h2{color:var(--text-muted);margin:0;font-size:.95rem;font-weight:600}.editor-actions{flex-wrap:wrap;gap:.5rem;display:flex}